QRD1114 - Optical Detector / Phototransistor

Price:
US$2.09
QRD1114
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The Fairchild QRD1114 is ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm).

This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal.

Datasheet QRD1114

Bildr Tutorial on proximity sensors

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